Age of the Earth

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Across
  1. 2. The bending or curving of rock layers caused by compression forces.
  2. 4. The solid metal layer of Earth.
  3. 5. The outermost layer of Earth
  4. 6. Any remains or evidence of past organisms.
  5. 10. Magma that has cooled in pre-existing sedimentary rock layers.
  6. 11. The second most dense layer of Earth.
  7. 12. When there are no living members of a species left on Earth.
Down
  1. 1. The age of a rock when compared to another rock.
  2. 3. Scientific law that states: younger rock layers are found above older rock layers.
  3. 6. A break in Earth's crust.
  4. 7. Rock formed from layers of sediment being deposited, compacted, and cemented.
  5. 8. The type of rock formed when lava/magma cools and crystllizes
  6. 9. The exact # of years since a rock was formed.